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Finding the Fourth Proportional to 6,789.60, 9,413.01 and 6,549.03

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Solution

The fourth proportional to 6,789.60, 9,413.01 and 6,549.03 is: 9,079.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,789.60 : 9,413.01 = 6,549.03 : x
  2. Step 2: Convert to fraction form
    6,789.60/9,413.01 = 6,549.03/x
  3. Step 3: Cross multiply
    6,789.60x = 9,413.01 × 6,549.03
  4. Step 4: Simplify right side
    6,789.60x = 61,646,084.88
  5. Step 5: Solve for x
    x = 61,646,084.88/6,789.60
  6. Step 6: Final answer
    x = 9,079.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.